Ramsey Winch HD-P50000 W/TNR & 2 SPEED MOTOR - Manual (Page 4)

2
OM 914244-0712-E
HYDRAULIC SYSTEM REQUIREMENTS
Refer to the performance charts to properly match your hydraulic system to HDP-50000 winch performance.
The charts consist of:
(1) Line pull (lb.) first layer vs. working pressure (PSI) and (2) Line speed (FPM) first layer vs. flow (GPM).
Performance is based on a motor displacement of 11.9 cubic inches with 25 GPM maximum flow rate.
See page 10 for motor port size.
B
TYPICAL LAYOUT
WITH BRAKE RELEASE SHUTTLE
MOTOR
BRAKE
PORT
A
SYSTEM
RELIEF
3 POSITION
4 WAY VALVE
(MOTOR SPOOL)
MAX. FLOW &
PRESSURE AT
RATED LOAD:
15 GPM
2500 PSI
HIGH PRESSURE LINE
(.50 I.D. MINIMUM)
LOW PRESSURE LINE
(.75 I.D. MINIMUM)
PORT CONTROL
0
5
10
15
20
25
30
35
40
45
50
0 5 10 15 20 25
L
IN
E
S
P
E
E
D
(
F
P
M
),
F
IR
S
T
L
A
Y
E
R
FLOW RATE (GPM)
PERFORMANCE CHARTS
(BASED ON 11.9 CU. IN./REV MOTOR)
LOW SPEED
HIGH SPEED
10000
15000
20000
25000
30000
35000
40000
45000
50000
0 1000 2000 3000
L
IN
E
P
U
L
L
(
L
B
),
F
IR
S
T
L
A
Y
E
R
PRESSURE (PSI)